package com.tanhua.server.service;

import com.tanhua.autoconfig.template.SmsTemplate;
import com.tanhua.commons.utils.JwtUtils;
import com.tanhua.dubbo.api.UserApi;
import com.tanhua.model.domain.User;
import org.apache.commons.lang.StringUtils;
import org.apache.dubbo.config.annotation.DubboReference;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.time.Duration;
import java.util.HashMap;
import java.util.Map;

@Service
public class UserService {
    @DubboReference
    private UserApi userApi;
    @Autowired
    private SmsTemplate template;
    @Autowired
    private RedisTemplate redisTemplate;
    /**
     * 发送短信验证码
     * @param phone
     */
   public void sendMsg(String phone){
       //1.随机生成6位数字
//       String code = RandomStringUtils.random(6);
//       System.out.println(code);
       //2.调用template对象，发送手机短信
//        template.sendSms(phone,code);
       //3.将验证码存入到redis中
       String code="123456";
       redisTemplate.opsForValue().set("CHECK_CODE"+phone,code, Duration.ofMinutes(5));
   };

    /**
     * 验证登录
     * @param phone
     * @param code
     * @return
     */
    public Map verificationCode(String phone, String code) {
        //1.从redis中获取下发的验证码
        String redisCode = (String) redisTemplate.opsForValue().get("CHECK_CODE" + phone);
        //2.对验证码进行校验（验证码是否存在，是否和输入的验证码一致）
        if (StringUtils.isEmpty(redisCode)||!redisCode.equals(code)){
            //验证码无效
            throw new RuntimeException("验证码错误");
        }
        //3.删除Redis中的验证码
        redisTemplate.delete("CHECK_CODE"+phone);
        //4.通过手机号码查询用户
        User user = userApi.findByMobile(phone);
        boolean isNew=false;
        //5.如果用户不存在，创建用户保存到数据库中
        if (user==null){
            user=new User();
            user.setMobile(phone);
            user.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));
           Long userId= userApi.save(user);
           user.setId(userId);
           isNew=true;
        }
        //6.通过JWT生成token
        Map tokenMap=new HashMap();
        tokenMap.put("id",user.getId());
        tokenMap.put("mobile",phone);
        String token= JwtUtils.getToken(tokenMap);
        //7.构造返回值
        Map retMap=new HashMap();
        retMap.put("token",token);
        retMap.put("isNew",isNew);
        return retMap;
    }
}
